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a_sh-v [17]
2 years ago
11

HElPPPPP NEED QUiCk whats the answer for 2+2=____ a.5 b.7 c.4 d.3

Mathematics
2 answers:
pentagon [3]2 years ago
4 0

The answer is C

2+2=4

..+..=....

Fed [463]2 years ago
3 0

Answer:

oh so easy 4 my answer is so easy

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Double digit subtraction with regrouping
goblinko [34]
Here is an example... ( look at the attachment bellow ) :

8 0
3 years ago
Can somebody help me make a word problem of a inequality equation pls
CaHeK987 [17]

Answer:

sure (can i have brainliest?)

Step-by-step explanation:

6 0
3 years ago
MR MARK MARKS HIS CLASS ON A NORMAL CURVE. THOSE WITH z-SCORES ABOVE 1.8 WILL RECEIVE AN A, THOSE
lukranit [14]

Using the normal distribution, it is found that the percentages are given as follows:

  • 3.59% of the grades will be A.
  • 9.98% of the grades will be B.
  • 74.92% of the grades will be C.
  • 8.64% of the grades will be D.
  • 2.87% of the grades will be F.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The prorportion of students who receive an A is <u>one subtracted by the p-value of Z = 1.8</u>.

Looking at the z-table, Z = 1.8 has a p-value of 0.9641.

1 - 0.9641 = 0.0359.

3.59% of the grades will be A.

For B, it is the <u>p-value of Z = 1.8 subtracted by the p-value of Z = 1.1</u>, hence:

0.9641 - 0.8643 = 0.0998.

9.98% of the grades will be B.

For C, it is the <u>p-value of Z = 1.1 subtracted by the p-value of Z = -1.2</u>, hence:

0.8643 - 0.1151 = 0.7492.

74.92% of the grades will be C.

For D, it is the <u>p-value of Z = -1.2 subtracted by the p-value of Z = -1.9</u>, hence:

0.1151 - 0.0287 = 0.0864.

8.64% of the grades will be D.

For F, it is the <u>p-value of Z = -1.9</u>, hence 2.87% of the grades will be F.

More can be learned about the normal distribution at brainly.com/question/15181104

#SPJ1

7 0
1 year ago
Express 0.5401 in scientific notation
Ray Of Light [21]

Answer:

5.401×10^-1

Step-by-step explanation:

You move the decimal over one to get5.401×10^−1

6 0
3 years ago
What is 8 divided by 2 2/3
babymother [125]

Answer:

3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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